Pharmacy benefit management
Ranibizumab (Lucentis®) Use in Diabetic Macular Edema (DME)
and Macular Edema following Retinal Vein Occlusion (RVO)
National Drug Monograph Addendum
August 2012
VA Pharmacy Benefits Management Services,
Medical Advisory Panel, and VISN Pharmacist Executives
The purpose of VA PBM Services drug monographs is to provide a comprehensive drug review for making formulary decisions. These documents will be updated when new clinical data warrant additional formulary discussion. Documents will be placed in the Archive section when the information is deemed to be no longer current.
This addendum provides information on the use of ranibizumab for use in Diabetic Macular Edema (DME) and Macular Edema following Retinal Vein Occlusion (RVO). The original drug monograph can be found at:
(Archive)/Ranibizumab.pdf
Introduction
Ranibizumab received FDA approval for the treatment of Age-Related Macular Degeneration (ARMD) in 2006. Since that time, investigation into other ocular conditions has expanded. The FDA approved use of ranibizumab for Macular Edema (ME) following Retinal Vein Occlusion (RVO) in June, 2010 and the treatment of Diabetic Macular Edema (DME) in August, 2012. This addendum will summarize the data for use in DME and RVO.
Macular Edema due to Retinal Vein Occlusion
Retinal Vein Occlusion (RVO) is the second most common type of retinal vascular disease that leads to vision loss. It is estimated to affect approximately 180,000 eyes per year.1 There are two types of RVO: Branch Retinal Vein Occlusion (BRVO) and Central Retinal Vein Occlusion (CRVO). BRVO refers to occlusion of the smaller or branch veins that comprise the distal retinal venous system. CRVO refers to occlusion within the main retinal vein that prevents the blood from traveling out of the retina smoothly. Both BRVO and CRVO can result in retinal swelling, termed Macular Edema (ME), with subsequent loss of visual acuity (VA).
The primary treatment options for RVO include laser photocoagulation and Vascular Endothelial Growth Factor Inhibitors (VEGF-I). Laser photocoagulation is an established therapy for BRVO. The three main types of photocoagulation are macular grid, peripheral scatter and panretinal photocoagulation. Rare complications of laser therapy include retinal scarring, paracentral scotoma, visual field deterioration and subretinal fibrosis. The Branch Vein Occlusion Study (BVOS) investigated the effects of grid laser treatment in patients with ME secondary to BRVO and a BCVA of 20/40 or worse.2 At the 3-year endpoint, significant improvement in BCVA of 1.33 lines was noted in the grid-treatment group compared to 0.23 lines in the control group. In the Central Vein Occlusion Study (CVOS) patients with ME secondary to CRVO were randomly assigned to grid photocoagulation or observation.3 No difference in visual acuity was noted for those receiving photocoagulation at the 3-year endpoint. Laser therapy has not been directly compared to VEGF-Inhibitor therapy, although by indirect comparison VEGF-Inhibitors appear to illicit earlier responses with greater visual improvement. Both treatment modalities have been compared to observation.
Marketed VEGF-Inhibitors include ranibizumab, pegaptanib and bevacizumab. Ranibizumab is the only VEGF-Inhibitor with FDA-approval for the treatment of RVO. Approval was based on two phase III trials by Campochiaro, et al. for the BRAVO investigators and Brown et al. for the CRUISE investigators. Both studies were 12-months in duration with the primary endpoint of change in mean BCVA from baseline to month 6. The ranibizumaB for the treatment of macular edema following BRAnch Retinal Vein Occlusion (BRAVO) study included 397 patients who were randomized to ranibizumab 0.3mg, 0.5mg or sham injection given every month with the option of rescue laser therapy at month 3, if needed.4,5 Both ranibizumab arms had a significant improvement in BCVA compared to the sham arm (p 250 µm). All arms received ranibizumab 0.5mg, with the option to receive laser therapy at month 9, if needed. The mean change in BCVA at month 12 improved in each ranibizumab arm. This change was significantly greater than the improvement in the sham arm (p 15 letters at 12 months received monthly ranibizumab from months 0-6. The anatomical change, as noted by the difference in CFT, although greater in the ranibizumab-treated arms, was not significantly greater than the sham/ranibizumab arm. This indicates that although ranibizumab was not given monthly during the first six months in this arm, some benefit from ranibizumab was noted with the as needed-doses given during months 6-12.
The HORIZON trial was designed to obtain additional information about ranibizumab effects in two patient populations: 1) ARMD patients and 2) patients with macular edema after RVO.8 The macular edema cohort included all patients who completed the BRAVO and CRUISE studies. The primary outcome measures were the ocular and nonocular adverse event profiles. Secondary outcomes included the mean change in BCVA. Patients were evaluated at least every 3 months and given ranibizumab 0.5 mg as needed for up to 24 months. During the duration of this trial the FDA-approved the indication of RVO, therefore follow-up varied among patients (~14 +/- 4.7 months, range 1-24). The most common ocular adverse events included retinal and conjunctival hemorrhage. Nonocular events include hypertension and nasopharyngitis. Overall, arterial thromboembolic events, by APTC were noted in 2% of BRAVO patients and 3.3% of CRUISE patients. Efficacy analyses were performed at 12-months. BCVA remained stable in BRAVO participants, yet was reduced among those that participated in CRUISE. This suggests that patients with CRVO may need closer follow-up than BRVO patients, although the study has design limitations as well as limited follow-up due to the timing of FDA-approval.
Refer to Table 1 for further clinical trial details.
Diabetic Macular Edema (DME)
The use of ranibizumab for the treatment of DME is the newest indication approved by the FDA. DME prevalence increases with the duration of time that a patient has diabetes. Other factors that are important include level of glycemic control, type of diabetes and associated conditions such as smoking, dyslipidemia and hypertension. The goals of therapy are to preserve existing vision and reduce risk of progressive vision loss.
Focal photocoagulation has been the mainstay of treatment for DME. The majority of patients will achieve visual stabilization, but not improvement in visual acuity. Results with photocoagulation can be noted weeks to months after treatment. Some complications of laser therapy include, choroidal neovascularization, subfoveal fibrosis and paracentral scotomas. Vitrectomy is another treatment modality that may be used for DME, however results are variable. A reduction in macular thickness may be noted 1-2 months post-procedure with an improvement of 2-3 lines of visual acuity. During vitrectomy, the vitreous gel is surgically excised. Some complications of vitrectomy include intraocular pressure elevation, retinal detachment, corneal edema and endophthalmitis. Vitrectomy is typically reserved for those who have not had an adequate response to photocoagulation and may be used as an adjunct to laser therapy.
Short-term, observational trials and case series have suggested a clinical benefit from VEGF-Inhibitors for the treatment of DME. Trials that have focused on the safety and efficacy of ranibizumab are included in Table 2. Phase II trials conducted by Nguyen et al.10, 11 (READ-2 Study Group) and Massin et al.13 (RESOLVE Study) evaluated the effects of ranibizumab in DME at 12- and 24- month endpoints. Investigators for the READ-2 Study Group compared ranibizumab to laser to the combination of ranibizumab + laser. Ranibizumab 0.5mg was given at baseline, then at months 1, 3, and 5, then as needed for 18 months. Focal or grid laser was given at baseline and month 3 if needed. The combination arm included ranibizumab 0.5mg + laser treatment at baseline and month 3, then every 3 months as needed. After 6 months, patients were then treated as needed with ranibizumab for an additional 18 months. The mean change in BCVA was better in all the ranibizumab-containing arms vs. laser alone at the 6, 12 and 24 month endpoints. The safety profile at 24 months was not reported.
The RESOLVE study randomized patients to ranibizumab 0.3mg, 0.5mg or sham injection given as three monthly injections followed by treatment as needed.13 A planned interim analysis at 6 months noted significant reduction in ME and improvement in CRT and BCVA. Results at 12-months indicate that ranibizumab-treated patients had significant improvement in BCVA and gain of > 10 letters from baseline when compared to the sham arm. The reduction in mean CRT was also greater in those that received ranibizumab. The safety profile was consistent with previous trials. The most common ocular AEs were conjunctival hemorrhage, eye pain and increase in intraocular pressure. Notable systemic adverse events included hypertension (R arms vs. sham; 8.8 vs. 10.2%) and Arterial Thromboembolic Events (2.9 vs. 4.1%).
Nguyen, et al., for the RISE and RIDE Research Groups, conducted two parallel, phase III studies within the US and South America.9 Patients with diabetes and CSME were randomized to either ranibizumab 0.3 mg, 0.5 mg or sham injections on a monthly basis. Starting at month 3, laser treatments could be provided based on OCT assessment of CFT. The primary endpoint was a gain of > 15 ETDRS letters from baseline to 24 months. Participants in both ranibizumab arms had significantly greater improvements in letter-gain than the sham-treated participants. These improvements were noted as early as day 7 after treatment initiation. Ranibizumab-treated patients were also less likely to need laser therapy compared to the sham-treated patients.
A European phase III study was conducted by Mitchell, et al. on behalf of the RESTORE study group, which compared ranibizumab monotherapy to laser monotherapy to the combination of ranibizumab plus laser for DME.12 At 12-months, the results indicate that the arms with ranibizumab either as monotherapy or as an adjunct to laser therapy had greater improvement in BCVA compared to laser alone. Health-Related Quality of Life was assessed using the National Eye Institute Visual Function Questionnaire (NEI VFQ-25) at baseline and again at months 3 and 12. Both ranibizumab arms had an increase in composite scores from month 3 to 12, and the laser arm had a decrease in scores. The differences between the ranibizumab arms compared to the laser arm were statistically significant. Patient-reported eyesight was good to excellent in 46 and 50% of those in the ranibizumab and ranibizumab + laser arms, compared to only 24% of those in the laser alone arm.
The Diabetic Retinopathy Clinical Research Network performed a randomized trial comparing ranibizumab plus prompt or deferred focal/grid laser or triamcinolone plus prompt laser or sham plus prompt laser for DME involving the fovea.14,15 Results at both the one and two-year endpoints showed consistent results. The mean change in BCVA was significantly greater in the ranibizumab + laser arms, than in the triamcinolone + laser or sham + laser arms. In pseudophakic eyes, the mean change in BCVA for the triamcinolone + laser arm was similar to the ranibizumab arms, but greater than the sham arm. Endophthalmitis was reported in 3 eyes of 375 (0.8%) participants in the ranibizumab groups. Elevated intraocular pressure and cataracts were more common within the triamcinolone + laser group.
Refer to Table 2 for further clinical trial details.
Additional Warnings and Precautions
Thromboembolic Events
Diabetic Macular Edema
Based on the RISE and RIDE clinical trial data, the manufacturer has included additional warnings and precautions to the prescribing information. Statistics concerning the rate of ATE and stroke at 2 and 3-years have been added. An analysis of pooled data from the RISE and RIDE trials indicate that the ATE rate at 2 years was 7.2% (18 of 250) in those receiving 0.5 mg ranibizumab, 5.6% (14 of 250) in those receiving 0.3 mg ranibizumab and 5.2% (13 of 250) in the control arm. The stroke rate over that same time frame was 3.2% (8 of 250) in the 0.5 mg arm, 1.2% (3 of 250) in the 0.3 mg arm and 1.6% (4 of 250) in the control arm. The ATE rate at 3 years was 10.4% (26 of 249) with 0.5 mg and 10.8% (27 of 250) with 0.3 mg ranibizumab. The stroke rate during this time was 4.8% (12 of 249) with 0.5 mg and 2% (5 of 250) with 0.3 mg ranibizumab.
Fatal Events in DME Patients
Fatal events reported in the pooled analysis were noted to be typical of those with advanced diabetic complications, yet a potential relationship between the fatalities and drug therapy cannot be excluded. Within the first 2 years of study, fatal events were reported in 4.4% (11 of 250) of patients receiving 0.5 mg, 2.8% (7 of 250) of patients receiving 0.3 mg ranibizumab and 1.2% (3 of 250) patients in the control arms. Over a 3-year period, fatal events were reported in 6.4% (16 of 249) of patients receiving 0.5 mg and 4.4% (11 of 250) of patients receiving 0.3 mg ranibizumab.
Increases in Intraocular Pressure
The manufacturer notes that elevated intraocular pressure should be monitored prior to and following injection with ranibizumab. Increases in IOP have been noted pre- and post-injection (at 60 minutes).
Endophthalmitis and Retinal Detachments
Although not a new warning in the Prescribing Information, there is an additional statement suggesting that patients should be monitored after treatment to facilitate early treatment of an infection should one occur.
Conclusions
Ranibizumab is FDA-approved for the indication of ME following RVO. The current data supports this indication, with greater improvement in BCVA compared to sham. The visual benefits gained with ranibizumab may be noted earlier than those experienced with laser therapy. Study designs that provided ranibizumab monthly for the first 6 months, followed by as needed dosing showed that visual gains can be maintained with this schedule in patients with BRVO. Similar results were not seen with CRVO, as it appears that vision declined with less frequent dosing.
The existing evidence supports the use of ranibizumab for the treatment of DME. Prior to anti-VEGF therapy, laser photocoagulation was the mainstay of therapy, now it serves an adjunctive role. Phase III trials comparing ranibizumab to sham injections have shown significant improvement in visual acuity and anatomic outcomes. Ranibizumab either as monotherapy or in conjunction with laser therapy has been shown to be superior to laser therapy alone. The long-term efficacy and safety of ranibizumab in DME has not been demonstrated beyond 2 years, although the clinical experience in ARMD has been established for over 5 years. The improvement in visual acuity may be noted sooner than with laser therapy, which is a major benefit. The ocular adverse effect profile of ranibizumab-treated patients has been consistent among DME trials. Ocular side effects include vitreous and conjunctival hemorrhage, eye pain, intraocular pressure elevation and endophthalmitis. Serious adverse events potentially related to systemic effects of VEGF inhibition as defined by the Antiplatelet Trialists’ Collaboration (APTC) criteria, showed that deaths of vascular or unknown cause and CVAs were slightly more common among those treated with ranibizumab in the RISE and RIDE trials.9 The rate of systemic events has not been consistent among all trials in DME, as the DRCR Network study reported that there was no indication of an increase in cardiovascular-related events in the ranibizumab-treated groups.14,15
Table 1. Summary of Clinical Trials Investigating Use of Ranibizumab in the Treatment of Macular Edema Following Retinal Vein Occlusion
|Citation |Eligibility Criteria |Interventions |Patient Population Profile |Efficacy Results |Safety Results |Author’s conclusions (optional) |
|Design | | | | | | |
|Analysis type | | | | | |Critique |
|Setting | | | | | |(optional) |
|Campochiaro (2010)4 |Inclusion: age > 18 yrs; ME |Random 1:1:1 |Mean age 66 yrs; |N=397 |R 0.3 mg: |R 0.3 or 0.5 mg given monthly |
|BRAVO Investigators |secondary to BRVO; |1) R 0.3mg q month |Male 53%; |134 R 0.3 mg |1 retinal |provide rapid, effective treatment |
| |BCVA 20/40-20/400; |2) R 0.5mg q month |Mean time from BRVO diagnosis 3.5 |131 R 0.5 mg |detachment w/ |for ME following BRVO with low |
|Phase III, RCT, MC; 93 US |Mean SCT > 250 µm |3) sham q month |months; duration BRVO < 3 months in |132 Sham |retinal tear |rates of AEs |
|centers | |+/- rescue laser @ month 3, if |65% pts; | |R 0.5 mg: | |
| |Exclusion: prior RVO; brisk |needed |Mean base BCVA score 54.6 letters |Mean Δ BCVA: |1 endo-phthalmitis;| |
|Duration: 12 months (6 months|affert pupillary defect; > | |(~20/80); |R 0.3: 16.6 (14.7-18.5) vs. |9 cataracts (4 | |
|treatment + 6 months follow |10-letter improvement in BCA |Assess days 0, 7 + months 1 – 6 |Mean base CFT 520.5 µm |R 0.5: 18.3 (16-20.6) vs. |sham; 5 R arms) | |
|up) |between screening and day 0; | | |Sham: 7.3 (5.1-9.5); | | |
| |Hx radial optic neurotomy or |Eval: eye exam, OCT of CFT | |p 15 letters: | | |
|time, % who gain > 15 |prior VEGF-I | | |R 0.3: 55.2% vs. | | |
|letters, % who lost < 15 | | | |R 0.5: 61.1% vs. | | |
|letters, % with CFT < 250 µm | | | |Sham: 28.8%; | | |
|at month 6, mean change in | | | |P< 0.0001 R vs. S | | |
|CFT over time | | | | | | |
| | | | |Gain @ day 7: | | |
| | | | |R 0.3: 20.1% vs. | | |
| | | | |R 0.5: 14.5% vs. | | |
| | | | |Sham 3.8% | | |
| | | | |P|3) sham q month |69% pts; | | |changes in CRVO |
|sham-controlled |250 µm | |Mean base BCVA score 48.3 letters |Mean Δ BCVA: |Vitreous | |
| | |Assess days 0, 7 + months 1 – 6 |(~20/100); |R 0.3: 12.7 (9.9-15.4) vs. |hemorrhage: |No serious ocular AE occurred |
|Duration: 6-month treatment |Exclusion: prior RVO; brisk | |Mean base CFT 685.2 µm |R 0.5: 14.9 (12.6-17.2) vs. |1 Sham | |
|phase + 6-month follow-up = |affert pupillary defect; > |Eval: eye exam, OCT of CFT | |Sham: 0.8 (-2.0-3.6); | |Systemic AEs were similar among all|
|12 months total |10-letter improvement in BCA | | |p 15 letters: |3 ATEs (2 R arms: 1| |
|Mean Δ BCVA from baseline to |sheathotomy; | | |R 0.3: 46.2% vs. |sham) | |
|month 6 |Intraocular steroid use; | | |R 0.5: 47.7% vs. | | |
| |ARMD; prior laser therapy; | | |Sham: 16.9%; | | |
| |diabetic retinopathy; CVA or | | |P< 0.0001 R vs. S | | |
| |MI within prior 3 months; | | | | | |
| |prior VEGF-I | | |Δ CFT @ month 6: | | |
| | | | |R 0.3: -434 vs. | | |
| | | | |R 0.5: -452 vs. | | |
| | | | |Sham: -168 µm | | |
| | | | |P< 0.0001 R vs. S | | |
|Campochiaro (2011)7 |See Brown (2010) above |Month 6-11: |See Brown (2010) above |N=392 |AEs |Monthly R x 6 months provided |
|CRUISE investigators | |1) R 0.3 ( R 0.3mg q month prn | |93% completed month 6; |Cataracts: |significant benefit to patients |
| | |2)R 0.5 ( R 0.5mg q month prn | |89% completed month 12 |5 (3.8%): R 0.3 |with CRVO, improving BCVA. This |
|12-month safety/efficacy | |3) Sham ( R 0.5mg q month prn | | |9 (7%): R 0.5 |benefit was maintained with close |
|report | | | |Btw 6-12 months, mean # prn |2 (1.8%): Sham/R |follow-up and prn R. |
| | |Prn= if BCVA < 20/40 or CFT > 250 | |R: | | |
| | |µm | |1) R 0.3: 3.9 doses |At 12 months |Would monthly injections from 6-12 |
| | | | |2) R 0.5: 3.6 doses |Nonocular SAE’s : |months improved these results? |
| | | | |3) sham/R: 4.2 doses |APTC ATEs: | |
| | | | | |2 R 0.3 |Financial support by Genentech |
| | | | |Mean Δ BCVA: |4 R 0.5 | |
| | | | |R 0.3: 13.9 (11.2-16.5) vs. |2 Sham/R | |
| | | | |R 0.5: 13.9 (11.5-16.4) vs. | | |
| | | | |Sham/R: 7.3 (4.5-10.0); | | |
| | | | |p 15 letters: | | |
| | | | |R 0.3: 47.0% vs. | | |
| | | | |R 0.5: 50.8% vs. | | |
| | | | |Sham/R: 33.1%; | | |
| | | | |P< 0.05 R vs. S | | |
| | | | | | | |
| | | | |Δ CFT @ month 12: | | |
| | | | |R 0.3: -452.8 vs. | | |
| | | | |R 0.5: -462.1 vs. | | |
| | | | |Sham/R: -427.2 µm | | |
| | | | |P > 0.4 R vs. S | | |
|Heier (2012)8 |Inclusion: |Patients seen at least q 3 months |N=304 (completed BRAVO) |Note: Duration of f/u varied|Safety analyses |No new safety events were |
|HORIZON investigators |Patients with RVO who |and given R 0.5 mg prn |N=304 (completed CRUISE) |as R rec’d FDA-approval |included all pts up|identified during the study. |
| |completed BRAVO or CRUISE | | |during the study. |to 24 months | |
|Open-label extension trial of| |Assess: < q 3 months | | | |Reduced # R injections associated |
|BRAVO and CRUISE trials |Exclusion: | | |Mean f/u: 14±4.7 months |Most common ocular |with decline in vision for CRVO |
| |Intraocular surgery w/in 1 |Eval: eye exam, OCT, FA @ base, | |(1-24) |AE: |patients, but maintained vision in |
|Primary outcomes: |month; use of IVT |month 12 & 24 | | |Retinal hemorrhage |BRVO patients |
|AE profile |bevacizumab; concurrent use | | |Efficacy analyses included |BRAVO: | |
| |of systemic VEGF-Is; use of |All: If CFT > 250 µm or ME ( R 0.5| |205 BRVO + |1) 11.8% |Follow-up should be individualized |
|Secondary: |non-FDA approved therapy; ME |mg x 1 | |181 CRVO at |2) 24.3% | |
|Mean Δ BCVA and CFT @ 24 |due to other causes | | |12 months |3) 21.2% |Limitations: open-label, |
|months | |BRVO: if BCVA < 20/40 from ME ( | | | |nonrandomized design; FDA-approval |
| | |rescue grid laser | |#R injections: |CRUISE: |limited study follow-up and results|
| | | | |BRAVO: |1) 18.8% | |
| | | | |1) 2 (2.2) |2) 19.6% | |
| | | | |2) 2.4 (2.1) |3) 27.3% | |
| | | | |3) 2.1 (2.6) | | |
| | | | | |Nonocular: | |
| | | | |CRUISE: |HTN, | |
| | | | |1) 2.9 (2.7) |naso-pharyngitis | |
| | | | |2) 3.8 (2.8) | | |
| | | | |3) 3.5 (2.7) |ATE by APTC: | |
| | | | | |2% BRAVO, | |
| | | | |BRAVO: |3.3% CRUISE | |
| | | | |Δ BCVA remained stable @ 12 | | |
| | | | |mos | | |
| | | | |Mean CFT Δ: | | |
| | | | |1) 6.3 µm | | |
| | | | |2) 35.3 | | |
| | | | |3) 3.7 | | |
| | | | | | | |
| | | | | | | |
| | | | |CRUISE: | | |
| | | | |Δ BCVA ↓ @ 12 mos | | |
| | | | |Mean CFT Δ: | | |
| | | | |1) 88.3 µm | | |
| | | | |2) 68.4 | | |
| | | | |3) 79.7 | | |
Table 2. Summary of Clinical Trials Investigating Use of Ranibizumab in the Treatment of Diabetic Macular Edema
|Citation |Eligibility Criteria |Interventions |Patient Population Profile |Efficacy Results |Safety Results |Author’s conclusions (optional) |
|Design | | | | | | |
|Analysis type | | | | | |Critique |
|Setting | | | | | |(optional) |
|Nguyen (2012)9 |Inclusion criteria: |R 0.3 mg/month vs |Mean age 62 yrs |N = 759 total |Ocular SAE: vitreous|R improved vision from DME compared|
|RISE and RIDE Research Group |Age > 18 yrs; |R 0.5 mg/month vs. |Range 21-91 |377 RISE |hemorrhage: |to sham; benefits noted as early as|
|2 parallel x Phase III, MC, |DM 1 or 2; |Sham |Sex male 72% |382 RIDE |RISE: |7 days after tx initiation |
|DM, sham-controlled, |BCVA 20/40 – 20/320; | | | |4 sham; | |
|randomized; |Macular edema defined as OCT |Starting month 3, pts evaluated |RISE pop’n: |Primary: |2 R | |
|US and South America |central subfield thickness > |for need for laser tx based on CFT|More BCVA < 20/200 in 0.3R group |Gain > 15 ETDRS letters from|RIDE: | |
| |275 µm |> 250 µm with < 50 µm change from | |baseline to 24 mos |3 sham | |
|Duration: 24 months | |prior month w/no prior laser in | |(0.3R vs. 0.8R vs. sham) | | |
| |Exclusion criteria: prior |previous 3 months | | |Endophthal-mitis: | |
| |vitreoretinal surgery or | | |RISE: |RISE: | |
| |recent hx of panretinal or | | |44.8% vs. 39.2% vs. 18.1% |1 case; | |
| |macular laser in study eye; | | | |RISE: | |
| |intraocular corticosteroids | | |RIDE: |3 cases | |
| |or antiangiogenic drugs; | | |33.6% vs. 45.7% vs. 12.3% | | |
| |Uncontrolled htn; | | | |Cataracts, | |
| |Uncontrolled DM HgA1c > 12% | | | |inflammation, | |
| |or recent (w/in 3 mos) CVA or| | |Median # R injections = 24; |glaucoma rates | |
| |MI | | | |similar between | |
| | | | |# laser tx |groups | |
| | | | |(0.3R vs. 0.8R): | | |
| | | | |1.8 and 1.6 sham; |Systemic SAE: | |
| | | | |0.3 and 0.8 rani |RISE v. RIDE: | |
| | | | | |10.6 vs. 9.4% sham; | |
| | | | |CFT improved in R arms |5.6-11.9% R | |
| | | | |starting day 7 | | |
| | | | | |APTC events: | |
| | | | | |4.9-5.5% sham; | |
| | | | | |2.4-8.8% R | |
|Nguyen (2010)10,11 |Inclusion: |1:1:1 |Mean age 62 yrs |N=126 started 6-month study;|6-month results: |R provided long-term benefit to |
|READ-2 Study Group: |Age > 18 yrs; |R 0.5 baseline + month 1, 3, 5 |Sex male 31-48% |101 included in 24-month |1 death due to CVA |patients with DME |
| |DM 1 or 2; |then q2 months vs. | |analysis |in grp 3, deemed | |
|Phase II, Prospective, RCT, |BCVA 20/40 – 20/320 and |laser baseline + month 3 then q2 |Grp 1 vs. 2 vs. 3 | |unrelated to R |Safety profile at 24-months was not|
|MC |Central subfield thickness > |months vs. |Mean BCVA |Grp 1 vs. 2 vs. 3: | |reported |
| |250 µm, |R 0.5 + laser baseline + month 3 |24.8 vs. 28.3 vs. 24.8 |mean Δ BCVA at 6 months: |No safety data | |
|14 US sites |HgA1c > 6%, no contributing |then q3 months | |7.2 vs. -0.43 vs. 3.8 |reported at 24 | |
| |causes other than DME, laser | |Mean BCVA | |months | |
|Duration: 24 months |not needed in next 6 months | |20/80 vs. 20/80 +3 vs. 20/80 | | | |
| | | | |mean Δ BCVA at 12 months: | | |
|Primary endpoint: mean Δ BCVA|Exclusion: | |Mean excess foveal thickness |6.61 vs. 2.39 vs. 4.81 | | |
|from baseline to month 24 |Focal/grid laser w/in 3 | |198.7 vs. 227.6 vs. 262.5 | | | |
| |months; intraocular steroid | | |mean Δ BCVA at 24 months: | | |
| |w/in 3 months; intraocular | | |7.7 vs. 5.1 vs. 6.8 | | |
| |VEGF-I w/in 3 mos | | | | | |
| | | | | | | |
|Mitchell (2011)12 |Inclusion: |1:1:1 |Mean age 63 yrs |N = 345: |Safety |R as monotherapy or with laser is |
|RESTORE study |Age > 18 yrs; |R 0.5 + sham laser |Male 58% |116 R vs. 118 R + laser vs. |115 R vs. 120 R + |superior to laser alone in |
| |DM 1 or 2, |Active laser + prn R 0.5 | |111 laser |laser vs. 110 laser |improving VA due to DME |
|Phase III, |HgA1c < 10%, |Active laser + sham injection |Grp 1 vs. 2 vs. 3 | | | |
|RCT, DM, MC |Visual impairment due to DME,| |Mean VA (letter score) |Grp 1 vs. 2 vs. 3: |2 deaths in each |First trial to assess QOL, R showed|
| |DM meds stable, | |64.8 vs. 63.4 vs. 62.4 |mean Δ BCVA at 12 months: |arm, none related to|improvement in HRQoL |
|Duration: 12 months |BCVA btw 20/32 – 20/160 | | |6.1 ± 6.4, p 300 µm, | |DM dx 14.5 yrs |N=109 pts to confirm |Total nonocular | |
|Duration: 12 months |HgA1C < 12%, |3 monthly treatments then prn |DME dx 1.3 yrs |superiority of R over sham |SAEs: | |
| |↓ vision d/t foveal | | |in mean avg Δ BCVA from |13.7 vs. 16.3% | |
|Primary endpoint: |thickening from DME |After 1 month, R dose could be | |baseline to month 12 | | |
|Mean avg Δ BCVA from baseline| |doubled | | |Most common AEs: | |
|to month 12 |Exclusion: | | |Mean avg Δ BCVA from |Conjunctival | |
| |Unstable glycemic control or | | |baseline to month 12: R +7.8|hemorrhage, eye | |
| |bp, laser w/in 6 months | | |letters vs. sham -0.1 |pain, IOP increase | |
| | | | |letter; P 250 µm |IVT q16 weeks + laser q4 wks | |CFT > 250 µm: |Systemic AE: | |
| | | | |59% sham, |Comparable btw R and| |
|Duration for primary |Exclusion: | | |43% R + prompt laser, |IVT arms | |
|endpoint: 1 year |Prior DME tx, | | |42% R + deferred laser, | | |
| |Prior laser, | | |52% IVT + prompt laser | | |
|Follow-up: 3 yrs |Prior ocular surgery, | | | | | |
| |Hx OAG or steroid-induced ↑ | | |Median 2 or 3 injections of | | |
| |IOP, | | |R + laser given | | |
| |IOP > 25 mmHg, | | | | | |
| |Uncontrolled HTN, | | | | | |
| |CVA, MI, TIA, CHF in prior 4 | | | | | |
| |months | | | | | |
NR, Number randomized. Add abbreviations, other footnotes.
Prepared August, 2012
Contact person: Berni Heron, Pharm.D., BCOP, Pharmacy Benefits Management Services
References:
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